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5 bar shower pumps - if you want a power shower or have a larger than average shower head then a 2 bar shower pump will be required.

Mains Pressure System Also called an 'Unvented System' Typical features:• An anti-gravity loop is a pipe that bends towards the floor by a minimum of 350mm in 15mm.

If the pump is to be installed above the hot water cylinder then a flange must always be used - a side entry or top flange type with an 'inverted U' is the preferred method.

I have a Jetforce 75 shower pump.

The water pressure available is largely dependant upon the mains cold water pressure in the supply pipe to the property.

There are a number of measures that can be taken to minimise the noise that a shower pump makes.

A minimum flow under gravity is required for these pumps to operate, specifically:• It should never be connected to the supply for the hot water immersion heater or any other high-load installation that needs a dedicated supply.

Your pump requires a flow of 0.

This can be really damaging for a shower pump, and it should never be allowed to get too cold.